Effect of gas density on mechanics of breathing. SAM-TR-70-5.
D000388:Air; D000403:Airway Resistance; D004242:Diving; D005459:Fluorides; D005740:Gases; D006371:Helium; D006801:Humans; D006931:Hyperbaric Oxygenation; D010100:Oxygen; D012119:Respiration; D013147:Spirometry
D005740:Gases; D006371:Helium; D005459:Fluorides; D010100:Oxygen